2021-10-09 09:31:46 [错误] 打开端口(/dev/ttyS5,115200)失败!
2021-10-09 16:39:04 [错误] 打开端口(/dev/ttyS5,115200)失败!
2021-10-09 17:48:33 [错误] 打开端口(/dev/ttyS5,115200)失败!
2021-10-09 18:12:48 [错误] 打开端口(/dev/ttyS5,115200)失败!
2021-10-09 18:15:48 [错误] 打开端口(/dev/ttyS5,115200)失败!